SCIENCE QUIZ BEE

1.Which happens if you mix juice powder with water?

• a. The juice powder will dissolve in water. 

• b. The juice powder will form a layer.

• c. The juice powder will not dissolve in water.

• d. None of the above

2. What substance dissolves most chemicals?

• a. Water

• b. Oil

• c. Paint

• d. Sugar

Answer explanation

Water is also called "universal solvent". It is capable of dissolving more substances than any other liquid can.

3. What will happen if we add leaves to water?

• a. The leaves will dissolve in water.

• b. The leaves will not dissolve in water.

• c. The leaves will partially dissolve in water.

• d. Both A and B

4.  In the evaporation process, liquid becomes _______________ when heated. 

• a. solid

•  b. ice cubes

• c. plasma 

• d. vapor

5. It is a process of separating mixtures which involves heating leaving the solid residue in a container. 

• a. evaporation

• b. precipitation

• c. distillation 

• d. distillation 

 6. What technique will Jocelyn use if she wants to separate salt mixed with water in a container?

• a. filtering

• b. evaporation

• c. picking

• d. sedimentation

Which of the following does not affect the solubility of solid solutes?

• a. Volume of solvent

• b. Stirring

• c. Temperature

• d. None of these

8. Which of the following substances do not dissolve in water?

• a. sugar

• b. pepper

• c. oil

• d. milk powder

9. Which of the following substances is an example of a solute?

• a. pepper

• b. water

• c. vinegar

• d. soy sauce

10.  Which is a solvent in a cup of milk?

• a. sugar

• b. milk powder

• c. water

• d. none of the above